<template>
  <div class="goods-tabs">
    <nav>
      <a @click="activeIndex = 0" :class="{ active: activeIndex === 0 }" href="javascript:;">商品详情</a>
      <a @click="activeIndex = 1" :class="{ active: activeIndex === 1 }"
        href="javascript:;">商品评价<span>({{ goods.commentCount ? goods.commentCount + '+' : 0 }})</span></a>
    </nav>
    <!-- 切换内容的地方:动态组件 -->
    <component :is="activeIndex===0 ? GoodsDetail : GoodsComment"></component>
  </div>
</template>

<script setup>
import { inject, ref } from 'vue'
import GoodsDetail from './goods-detail.vue'
import GoodsComment from './goods-comment.vue'
// 当前激活的组件
const activeIndex = ref(1)
const goods = inject('goods')
</script>

<style lang="less" scoped>
.goods-tabs {
  min-height: 600px;
  background: #fff;

  nav {
    height: 70px;
    line-height: 70px;
    display: flex;
    border-bottom: 1px solid #f5f5f5;

    a {
      padding: 0 40px;
      font-size: 18px;
      position: relative;

      >span {
        color: @priceColor;
        font-size: 16px;
        margin-left: 10px;
      }

      &:first-child {
        border-right: 1px solid #f5f5f5;
      }

      &.active {
        &::before {
          content: "";
          position: absolute;
          left: 40px;
          bottom: -1px;
          width: 72px;
          height: 2px;
          background: @xtxColor;
        }
      }
    }
  }
}
</style>